﻿using System;
using System.Text;
using System.Collections.Generic;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using DTBuilderLib;
using System.IO;

namespace t_DTBuilderLib
{
    /// <summary>
    /// Summary description for t_LayoutFileIO
    /// </summary>
    [TestClass]
    public class t_LayoutFileIO
    {
        public t_LayoutFileIO()
        {
            //
            // TODO: Add constructor logic here
            //
        }

        private TestContext testContextInstance;

        /// <summary>
        ///Gets or sets the test context which provides
        ///information about and functionality for the current test run.
        ///</summary>
        public TestContext TestContext
        {
            get
            {
                return testContextInstance;
            }
            set
            {
                testContextInstance = value;
            }
        }

        #region Additional test attributes
        //
        // You can use the following additional attributes as you write your tests:
        //
        // Use ClassInitialize to run code before running the first test in the class
        // [ClassInitialize()]
        // public static void MyClassInitialize(TestContext testContext) { }
        //
        // Use ClassCleanup to run code after all tests in a class have run
        // [ClassCleanup()]
        // public static void MyClassCleanup() { }
        //
        // Use TestInitialize to run code before running each test 
        // [TestInitialize()]
        // public void MyTestInitialize() { }
        //
        // Use TestCleanup to run code after each test has run
        // [TestCleanup()]
        // public void MyTestCleanup() { }
        //
        #endregion

        [TestMethod]
        public void ReadKnownCorrectLayoutFile()
        {
            LayoutCollection cr = DTBuilderLib.BinaryIO.LayoutFileIO.Load(new FileInfo("..\\..\\..\\t_DTBuilderLib\\layout.bin"));
            Assert.IsTrue(cr.ItemCount == 4, "Expected # of items not right");
            Assert.IsTrue(cr.Item.Length == 4, "Expected # of items in array not right");

            int counter = 0;
            foreach (var item in cr.Item)
            {
                Assert.IsTrue(item.ID == counter, "Item count not right");
                counter = counter + 1;
            }            
        }

        [TestMethod]
        public void WriteLayoutFile()
        {
            FileInfo original = new FileInfo("..\\..\\..\\t_DTBuilderLib\\layout.bin");
            FileInfo output = new FileInfo(".\\layout.bin");

            LayoutCollection cr = DTBuilderLib.BinaryIO.LayoutFileIO.Load(original);
            DTBuilderLib.BinaryIO.LayoutFileIO.Save(cr, output);

            Assert.IsTrue(TestUtilities.CompareBinaryFiles(original, output), "The written layout file is not the same as the input file");
        }
    }
}
